Home / 8,854.02-12,222.75-5,625.48

Finding the Fourth Proportional to 8,854.02, 12,222.75 and 5,625.48

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Solution

The fourth proportional to 8,854.02, 12,222.75 and 5,625.48 is: 7,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.02 : 12,222.75 = 5,625.48 : x
  2. Step 2: Convert to fraction form
    8,854.02/12,222.75 = 5,625.48/x
  3. Step 3: Cross multiply
    8,854.02x = 12,222.75 × 5,625.48
  4. Step 4: Simplify right side
    8,854.02x = 68,758,835.67
  5. Step 5: Solve for x
    x = 68,758,835.67/8,854.02
  6. Step 6: Final answer
    x = 7,765.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.